Tag: solar-power

48 Why wasn't an RTG used on the Juno spacecraft? 2016-07-06T16:56:22.370

18 Why didn't Gemini, Apollo or STS use solar panels? 2015-02-22T03:38:24.663

17 What inspired the circular panels on the Phoenix Lander and InSight rover? 2018-01-24T10:09:24.760

16 How far from the Sun can solar power be used as a reliable energy source? 2013-07-22T10:35:32.897

16 Can ISS fold its solar panels? 2017-12-09T00:21:00.827

14 How long could Solar Impulse fly in the Venerean atmosphere? 2013-09-26T06:03:11.873

13 Do solar panels on satellites gather dust and need cleaning? 2014-09-14T15:24:52.660

11 Why does Curiosity use an RTG rather than solar (as Spirit and Opportunity do) for power? 2013-08-15T16:40:17.923

10 How can the Parker Solar Probe survive passing within 4 million miles of the sun's surface? 2016-07-26T11:12:00.660

9 Peltier cell as solar cell in space 2013-07-29T07:53:43.983

9 What is the average intensity of sunlight on the Venerean surface? 2013-09-25T19:34:54.813

9 Why does DSCOVR appear to be missing solar cells? 2015-02-09T00:50:17.600

9 Lightest possible solar array? 2015-11-29T22:02:03.947

9 How quickly do the Van Allen radiation belts degrade solar panels? 2016-01-21T16:01:24.337

9 Making propellants on Mars: Why not just LH2/LOX instead of methane? 2016-07-28T09:36:52.497

8 How much more power does a PV cell generate in Venerean orbit? 2013-09-23T20:19:34.990

8 Does Juno use MPPT? 2013-09-24T04:17:40.853

8 How will Dragon v2's solar panels be protected during launch on top of Falcon 9? 2015-01-12T22:04:27.907

8 Solar flux on (not at) Earth 2015-02-19T05:36:41.277

8 Manufacturing solar cells on the Moon 2015-04-26T15:18:59.967

8 What is the difference in solar panel efficiency between Solar Impulse & ISS? 2015-06-29T22:48:37.930

8 How are solar panels protected from the Sun? 2015-07-14T00:21:07.813

8 How could a fast powerful rover on Mars be powered electrically? 2015-10-04T12:49:54.890

8 How much light is there on the way from Earth to Proxima Centauri? 2017-05-11T14:17:58.527

7 Optimal trajectory for solar electric propulsion? 2015-11-28T23:42:40.487

7 Solar cells in series 2016-06-13T15:19:50.667

7 How will the ExoMARS Rover keep it's solar panels dust-free and collecting maximum power? 2016-09-18T06:16:10.060

6 Will space-based energy beamed to earth increase heat on earth? 2014-01-10T16:07:49.350

6 Why aren't landers designed to point their solar panels and radio antennas to Sun and Earth? 2015-01-15T22:26:47.517

6 Could a space based solar power system be used as a weapon? 2015-10-05T03:01:17.963

6 Why do Juno's solar panels narrow toward the core? 2016-07-08T02:09:18.147

6 Are the ISS US Segment solar arrays double-sided? 2017-05-28T15:51:29.580

6 What are the sources of light at L2? How will the James Webb telescope be powered? 2017-11-03T16:45:43.007

5 Why does the ISS not use the most efficient solar panels available? 2015-06-30T07:13:38.070

5 Why aren't solar collectors in space solar power concepts placed closer to the sun? 2015-09-03T05:19:53.257

5 Why are the ISS' Sequential Shunt Units not on the inside? 2016-01-31T16:47:54.233

5 When there is more power than needed, are satellite photovoltaics shunted or open circuit? 2016-07-27T14:49:05.377

5 What would keep Dyson Swarm reflectors in place? 2016-08-25T18:27:21.807

5 How does the efficacy of solar cells on Mars compare with Earth? 2017-02-12T18:46:33.613

5 How does ROSA roll? (Roll Out Solar Array) 2017-06-01T13:55:34.167

5 Do Orion's solar panels have adjustable sweep? 2017-09-29T19:26:30.483

5 How are the orientations of the ISS' eight independent solar arrays optimized? 2017-11-25T05:43:23.267

4 Were the ISS Solar Arrays manufactured as a set? 2015-06-30T15:41:37.560

4 Is utilizing the high temperature for chemical reactions on Venus a feasible way of generating electricity? 2015-08-27T18:56:26.033

4 Probes on a Solar System Escape Trajectory 2016-11-22T03:28:49.440

4 Solar panels on Mars? 2017-01-27T04:07:36.007

4 MetOp-A; Why this unusual solar panel shape and deployment method? 2017-04-17T11:35:56.647

4 Were solar concentrators on HS-702 just a stop-gap measure until triple-junction PV cells were available? 2017-05-07T07:16:39.437

4 How are the silicon PV cells constructed in the ISS's solar panels? Are they as flexible as they appear here? 2017-09-13T03:47:47.763

3 Could a solar thermopile be enough to power a small satellite? 2014-04-27T00:01:17.927

3 Is it feasible for a future Rosetta type mission to use wireless transfer of power to Philae? 2014-11-15T11:13:31.273

3 Would it be practical to use a rover with a cable to a power and communication station? 2014-12-17T16:29:07.347

3 What are low-mass ways of supplying power for a 4.5kW ion thruster? 2015-03-16T12:50:57.737

3 Is the waste heat (sink) system dependent on whether the energy source is nuclear or solar? 2015-05-10T18:24:44.643

3 Solutions to Ongoing Problems on the Solar Panel rotary joints 2015-10-05T03:44:23.700

3 Are there solar panels available today that would last through various lunar days? 2015-11-07T00:44:59.547

3 Could Solar Cells provide Neutron shielding? 2016-05-19T14:58:11.180

3 Jupiter's impact on Juno's solar panels 2016-07-09T11:35:30.160

3 Temperature of photovoltaic cells vs efficiency - is it ever actively controlled? 2016-07-21T06:11:53.797

3 Why are these multi-junction solar cells 40% efficient on earth but 30% in space? 2016-08-15T02:08:46.900

3 Is photovoltaic efficiency defined and measured differently for space vs terrestrial applications? 2016-08-15T03:56:14.677

3 ViaSat's 18 kW solar array - largest ever for a commercial telecom satellite? 2017-06-02T08:16:56.137

2 What are the challenges in building a supercritical CO2 gas turbine power plant for a Mars habitat of 6 astronauts? 2015-11-28T07:11:22.043

2 Spatial solar panels area density through history 2015-12-04T13:17:00.150

2 Solar cell heating vs power draw 2016-07-26T16:49:19.077

2 What limits thrust-to-weight ratio of ion thusters? 2016-10-02T11:26:09.697

2 Solar Panel folding 2016-12-08T12:06:30.890

2 How much do solar cells for space cost? 2017-12-21T11:08:28.470

1 What is a reasonable cost estimate for space solar power (SSP)? 2015-02-11T01:57:08.683

1 Is there an upper limit for thrust generation by ion propulsion? 2016-02-29T16:41:02.090

1 Has the choice of photovoltaic junction types for newer spacecraft converged on one, optimal solution? 2016-07-21T05:49:18.623

1 Could we construct a solar driven rocket? 2016-07-26T15:46:37.080

1 Back to oribt from Mars - how many km^2 yr of solar power to make enough propellant? 2016-07-28T09:15:44.293

1 How will GOES-R simultaneously point some instruments down at Earth and others sunward? 2016-11-18T16:25:13.297

1 Could robotic ornithopter have all energy it needs to be able to fly from solar power? 2017-02-06T21:41:24.687

1 Will the Planetary Society's LightSail spacecraft's solar panels be articulated during each orbit? 2017-10-28T01:47:15.840

1 Why would SpaceX limit Starman’s Tesla signal transmission to 12 hours and not use solar power? 2018-02-09T04:20:50.650

1 The Orbital Mass Accelerator Engine Theory 2018-02-28T17:20:15.000

0 Why do satellites never run out of power? 2016-01-02T13:28:43.810

0 Why do the solar panels on the seven Sentinel configurations look so completely different from each other? 2017-07-21T09:17:29.263

-1 'Space Transit Habitat' source(s) of energy 2017-09-03T21:26:59.643